CN114421627B - Power supply monitoring system, control method and central monitoring unit - Google Patents
Power supply monitoring system, control method and central monitoring unit Download PDFInfo
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- CN114421627B CN114421627B CN202210239299.0A CN202210239299A CN114421627B CN 114421627 B CN114421627 B CN 114421627B CN 202210239299 A CN202210239299 A CN 202210239299A CN 114421627 B CN114421627 B CN 114421627B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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Abstract
The invention relates to a power supply monitoring system, a control method and a central monitoring unit, wherein the central monitoring unit is in communication connection with a monitoring unit and a power unit through a second communication network in a first intelligent terminal of the power supply monitoring system, at least two second communication networks in the power supply monitoring system are in communication interconnection, so that first parameter information is mutually shared between rectification and direct current output cabinets in the same second communication network, and each central monitoring unit is also in interconnection through the first communication network, so that the first parameter information is mutually shared between the rectification and direct current output cabinets in different second communication networks, further the system forms a multi-master multi-slave structure, multi-master communication interconnection between the cabinets is realized, redundancy control is realized, and the reliability of the system is improved.
Description
Technical Field
The present invention relates to the field of power supplies, and in particular, to a power supply monitoring system, a control method, and a central monitoring unit.
Background
With the continuous development and evolution of electronic technology, digitalization has penetrated the daily life of human beings, and is just the 'fifth-dimensional space' of our life dimension, a series of new technologies, namely big data and artificial intelligence, depend on a carrier, namely an IDC data center, and a key core element for supporting the operation of the data center is a power supply. One of the technical problems faced by data center power supplies is the reliability of the power monitoring system.
In order to solve the reliability problem of a power supply monitoring system, the existing system mostly adopts a modular design idea and a centralized control mode, and a communication framework is a master-slave communication mode, so that the failure of a certain key component may cause the failure of the whole system, and the reliability of the system is reduced.
Disclosure of Invention
The present invention solves at least one of the above technical problems to a certain extent, and provides a power monitoring system, a control method and a central monitoring unit, which can improve the reliability of the system.
In a first aspect, an embodiment of the present invention provides a power supply monitoring system, where the power supply monitoring system includes at least two first intelligent terminals, where the first intelligent terminals are intelligent terminals of a rectification and dc output cabinet, and each first intelligent terminal includes a central monitoring unit, a monitoring unit, and a power unit;
the monitoring unit is used for monitoring the monitoring information of the rectification and direct current output cabinet;
the power unit is used for regulating and controlling output information of the rectification and direct current output cabinet;
the central monitoring units of the first intelligent terminal are in communication connection through a first communication network, the central monitoring units are in communication connection with the monitoring units and the power units through a second communication network, and at least two second communication networks are in communication interconnection;
the central monitoring unit is configured to collect first parameter information of the rectification and dc output cabinets in the same second communication network, and share the collected first parameter information to the central monitoring unit of the rectification and dc output cabinets in different second communication networks through the first communication network, where the first parameter information includes the monitoring information and the output information.
In some embodiments, the monitoring unit comprises an input-output power distribution monitoring unit, an insulation monitoring unit, and a battery monitoring unit;
the input and output power distribution monitoring unit, the insulation monitoring unit and the battery monitoring unit are respectively in communication connection with the power unit and the central monitoring unit through the second communication network.
In some embodiments, the first intelligent terminal further comprises a human-computer interaction unit, and the human-computer interaction unit is in communication connection with the central monitoring unit.
In some embodiments, the first intelligent terminal further includes a communication interface, and the communication interface is in communication connection with the central monitoring unit and is used for external communication.
In some embodiments, the power supply monitoring system further comprises a second intelligent terminal of the medium-voltage incoming line cabinet and a third intelligent terminal of the transformer alternating-current power distribution cabinet;
and the second intelligent terminal and the third intelligent terminal are respectively in communication connection with the central monitoring unit through the first communication network or the second communication network.
In some embodiments, the first communication network is an ethernet or industrial ethernet or CAN bus or CAN-FD bus and the second communication network is an ethernet or industrial ethernet or CAN bus or CAN-FD bus.
In some embodiments, the monitoring information comprises voltage information and/or current information and/or power information and/or impedance information and/or temperature information and/or input output switching value state information.
In some embodiments, the output information comprises voltage information and/or current information and/or power information.
In a second aspect, an embodiment of the present invention provides a control method, which is applied to the power supply monitoring system described above, where the method includes:
summarizing the first parameter information of the rectification and direct current output cabinets in the same second communication network;
sharing the first parameter information with the central monitoring unit of the rectification and dc output cabinet in a different second communication network through the first communication network to obtain shared information, where the shared information is the first parameter information of the rectification and dc output cabinet in a different second communication network;
and summarizing second parameter information of the power supply monitoring system according to the first parameter information and the shared information.
In some embodiments, after said aggregating the first parameter information of the rectification and dc output cabinets within the same second communication network, the method further comprises:
and when the central monitoring unit is a host of the rectification and direct-current output cabinet in the same second communication network, regulating and controlling the rectification and direct-current output cabinet according to the first parameter information.
In a third aspect, an embodiment of the present invention provides a central monitoring unit, where the central monitoring unit includes at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the control method as described above.
Compared with the prior art, the invention at least has the following beneficial effects: in the power supply monitoring system, inside each first intelligent terminal, the central monitoring unit is in communication connection with the monitoring unit and the power unit through the second communication network, and the monitoring unit and the power unit respectively transmit monitoring information and output information to the central monitoring unit through the second communication network and the central monitoring unit processes the monitoring information and the output information. The monitoring information and the output information jointly form first parameter information, the central monitoring unit can collect the first parameter information of all the rectification and direct-current output cabinets in the same second communication network due to communication interconnection of at least two second communication networks, and meanwhile, the central monitoring units of each first intelligent terminal are in communication connection through the first communication network, so that the central monitoring units can share the collected first parameter information to other central monitoring units through the first communication network, and the rectification and direct-current output cabinets share the first parameter information mutually. Therefore, at least two second communication networks in the power supply monitoring system are in communication interconnection, so that the rectification and direct current output cabinets in the same second communication network share first parameter information mutually, and each central monitoring unit is also in interconnection through the first communication network, so that the rectification and direct current output cabinets in different second communication networks share the first parameter information mutually, further, the system forms a multi-master and multi-slave structure, multi-master communication interconnection between the cabinets is realized, influence on the whole system due to failure of a single component or a single host is avoided, redundancy control is realized, and reliability of the system is improved.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of a power monitoring system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first intelligent terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first intelligent terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first intelligent terminal according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a power monitoring system according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a central monitoring unit according to an embodiment of the present invention;
fig. 7 is a flowchart of one control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if not conflicted, the various features of the embodiments of the invention may be combined with each other within the scope of protection of the invention. Additionally, while functional block divisions are performed in apparatus schematics, with logical sequences shown in flowcharts, in some cases, steps shown or described may be performed in sequences other than block divisions in apparatus or flowcharts. The terms "first", "second", "third", and the like used in the present invention do not limit data and execution order, but distinguish the same items or similar items having substantially the same function and action.
Generally, a power monitoring system of a data center splits a megawatt system into a plurality of power cabinets (one cabinet for one megawatt), each cabinet is composed of a plurality of kilowatt power units, the power units are connected in parallel to form a plurality of cabinets, and the plurality of cabinets can be different from each other to form the whole megawatt system. Each cabinet is provided with an independent central monitoring unit for monitoring and managing the power unit in the cabinet. The modularized design concept like brick blocking is simple in structure and easy to maintain and expand, but the whole power supply monitoring system is in a centralized control mode and is of a master-slave structure, and if a certain central monitoring unit fails, the whole system can fail, so that the reliability of the system is reduced. In addition, the master station competition mechanism and the master station loss processing mechanism both increase the complexity of the control logic of the master-slave structure, and further reduce the reliability of the system.
In view of the above, the present invention provides a power monitoring system, in the power monitoring system of the present invention, inside each first intelligent terminal, the central monitoring unit is in communication connection with the monitoring unit and the power unit through the second communication network, and the monitoring unit and the power unit respectively transmit the monitoring information and the output information to the central monitoring unit through the second communication network, and the monitoring information and the output information are processed by the central monitoring unit. The monitoring information and the output information jointly form first parameter information, the central monitoring unit can collect the first parameter information of all the rectification and direct-current output cabinets in the same second communication network due to communication interconnection of at least two second communication networks, and meanwhile, the central monitoring units of each first intelligent terminal are in communication connection through the first communication network, so that the central monitoring units can share the collected first parameter information to other central monitoring units through the first communication network, and the rectification and direct-current output cabinets share the first parameter information mutually.
Therefore, at least two second communication networks in the power supply monitoring system are in communication interconnection, so that the rectification and direct current output cabinets in the same second communication network share first parameter information mutually, and each central monitoring unit is also in interconnection through the first communication network, so that the rectification and direct current output cabinets in different second communication networks share the first parameter information mutually, further, the system forms a multi-master and multi-slave structure, multi-master communication interconnection between the cabinets is realized, influence on the whole system due to failure of a single component or a single host is avoided, redundancy control is realized, and reliability of the system is improved.
The communication architecture of the power supply monitoring system provided by the embodiment of the invention is a general architecture, and can be applied to all data center power supply monitoring systems, such as: a Panama power supply monitoring system of Alibaba, a locomotive power supply monitoring system of Tencent, a lake power supply monitoring system of Baidu and a traditional High Voltage Direct Current (HVDC) power supply monitoring system and the like.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a power monitoring system according to an embodiment of the present invention, as shown in fig. 1, the power monitoring system 1 includes at least two first intelligent terminals 13, and the first intelligent terminals 13 are intelligent terminals of a rectification and dc output cabinet. Referring to fig. 2, fig. 2 is a schematic structural diagram of a first intelligent terminal according to an embodiment of the present invention, as shown in fig. 2, the first intelligent terminal 13 includes a central monitoring unit 131, a monitoring unit 132, and a power unit 133, where the monitoring unit 132 is configured to monitor monitoring information of a rectification and dc output cabinet, and the power unit 133 is configured to regulate and control output information of the rectification and dc output cabinet.
Referring to fig. 1 and fig. 2, inside the first intelligent terminal 13, the central monitoring unit 131 is communicatively connected to the monitoring unit 132 and the power unit 133 through a second communication network 134, and the second communication network 134 may be referred to as a second communication network 15 outside the first intelligent terminal 13. Therefore, the monitoring unit 132 transmits monitoring information to the central monitoring unit 131 through the second communication network 134, the power unit 133 transmits output information to the central monitoring unit 131 through the second communication network 134, the monitoring information and the output information together constitute first parameter information of the rectification and dc output cabinet, and the central monitoring unit 131 receives and processes the first parameter information.
And at least two second communication networks 134 are communicatively interconnected, if two second communication networks 134 are communicatively interconnected, it means that the two rectifier and dc output cabinets belonging to the second communication networks 134 are in the same second communication network 134, and if two second communication networks 134 are not communicatively interconnected, it means that the two rectifier and dc output cabinets belonging to the second communication networks 134 are not in the same second communication network 134. The at least two second communication networks 134 are communicatively interconnected to form a multi-master multi-slave structure, and to avoid the system from being affected by the failure of a single master.
In the power monitoring system 1 in the embodiment of the present invention, at least two second communication networks 134 are communicatively interconnected, so that the central monitoring unit 131 sends the first parameter information of the cabinet to other rectification and dc output cabinets in the same second communication network 134 through the second communication networks 134, and receives the first parameter information of other rectification and dc output cabinets in the same second communication network 134 through the second communication networks 134, thereby summarizing the first parameter information of all rectification and dc output cabinets in the same second communication network 134.
The central monitoring units 131 of the first intelligent terminal 13 are in communication connection with each other through the first communication network 14, and the central monitoring unit 131 shares the collected first parameter information to the central monitoring units 131 of other rectification and dc output cabinets in different second communication networks 134 through the first communication network 14, and receives shared information, which is the first parameter information sent by the central monitoring units 131 of the rectification and dc output cabinets in different second communication networks 134.
The central monitoring unit 131 may summarize second parameter information of the power monitoring system 1 according to the first parameter information and the shared information, where the second parameter information is first parameter information of all the rectification and dc output cabinets of the power monitoring system 1.
Therefore, in the power monitoring system 1, at least two second communication networks 134 are communicatively interconnected, so that the rectifying and dc output cabinets in the same second communication network 134 share first parameter information mutually, and each central monitoring unit 131 is interconnected through the first communication network 14, so that the rectifying and dc output cabinets in different second communication networks 134 share the first parameter information mutually, and further the system forms a multi-master and multi-slave structure, thereby realizing multi-master communication interconnection between cabinets, avoiding the influence on the whole system caused by the failure of a single component or a single host, realizing redundancy control, and further improving the reliability of the system.
Meanwhile, communication interconnection of parameter information among all rectification and direct current output cabinets is achieved through a dual-communication network, a multi-master and multi-slave communication architecture is formed, when one host is lost or fails, all parameter information related to the lost host can be acquired from any other host, complexity of system logic is avoided being increased due to host loss processing mechanisms, logic of the power supply monitoring system 1 is simple, and reliability of the system is further improved.
Therefore, the power supply monitoring system 1 of the embodiment of the invention enables the system to form a multi-master multi-slave structure, realizes multi-master communication interconnection between cabinets, avoids influence on the whole system caused by failure of a single component or a single host, realizes redundancy control, and further improves the reliability of the system.
In some embodiments, the central monitoring unit 131 first collects first parameter information of the rectification and dc output cabinets in the same second communication network 134, then shares the first parameter information with the central monitoring unit 131 of the rectification and dc output cabinets in different second communication networks 134 through the first communication network 14, and obtains shared information, where the shared information is the first parameter information of the rectification and dc output cabinets in different second communication networks 134, and finally collects second parameter information of the power monitoring system 1 according to the first parameter information and the shared information.
The central monitoring unit 131 firstly collects and calculates first parameter information of the local cabinet, then sends the first parameter information to the central monitoring units 131 of other cabinets in different second communication networks 134 through the first communication network 14, receives first parameter information of other cabinets sent by the central monitoring units 131 of other cabinets in different second communication networks 134, and finally collects the first parameter information of the local cabinet and the received first parameter information of other cabinets to obtain parameter information of the whole power supply monitoring system 1, namely second parameter information.
Therefore, the central monitoring unit 131 can summarize the parameters of the whole power monitoring system 1, and the first parameter information of other cabinets can be obtained from the central monitoring unit 131 of any cabinet, so that the central monitoring unit 131 has a redundancy function, realizes redundancy control, avoids the influence on the system caused by the failure of a certain cabinet or a certain central monitoring unit 131, and improves the reliability of the system.
In some embodiments, after the first parameter information of the rectification and dc output cabinets in the same second communication network 134 is summarized, the master-slave status is determined to select the subsequent operation. Specifically, when the central monitoring unit 131 is a host of the rectification and dc output cabinet in the same second communication network 134, the rectification and dc output cabinet is regulated according to the first parameter information. Particularly, parameters such as output voltage, output current, output power, temperature and the like of the rectification and direct current output cabinet are adjusted and controlled.
When the central monitoring unit 131 is a slave of the rectifying and dc output cabinet in the same second communication network 134, the first parameter information is shared with other rectifying and dc output cabinets through the first communication network 14. Therefore, only when the central monitoring unit 131 is the master, the parameters of all the rectification and dc output cabinets in the same second communication network 134 are controlled, and when the central monitoring unit is the slave, the parameters of all the rectification and dc output cabinets in the same second communication network 134 are calculated and summarized correspondingly.
In some embodiments, the monitoring information comprises voltage information and/or current information and/or power information and/or impedance information and/or temperature information and/or input output switching quantity (I/Os) status information. The monitoring unit 132 can obtain voltage information and/or current information and/or power information and/or impedance information and/or temperature information and/or input/output switching value (I/Os) state information of the rectification and dc output cabinet to which it belongs.
Specifically, with continued reference to fig. 2, the monitoring unit 132 includes an input/output power distribution monitoring unit 1321, an insulation monitoring unit 1322, and a battery monitoring unit 1323. The input/output power distribution monitoring unit 1321, the insulation monitoring unit 1322, and the battery monitoring unit 1323 are respectively in communication connection with the power unit 133 and the central monitoring unit 131 through the second communication network 134.
Further, the input/output power distribution monitoring unit 1321 is an intelligent circuit unit, and has the specific functions of: and collecting information such as output total voltage, output total current, current of a plurality of output branches, switch and fuse states of a plurality of input and output branches of the rectifying and direct current output cabinet. Meanwhile, the information is shared to the central monitoring unit 131 of the first intelligent terminal 13 of each rectification and dc output cabinet on the same second communication network 134 through the second communication network 134.
Further, the insulation monitoring unit 1322 is an intelligent circuit unit, and has the specific functions of: the insulation impedance state of the positive and negative bus to the ground can be monitored online in real time; and monitoring the insulation impedance state of the positive bus and the negative bus of the output branches to the ground in real time on line. Meanwhile, the second communication network 134 shares the insulation impedance state information to the central monitoring unit 131 of the first intelligent terminal 13 of each rectification and dc output cabinet on the same second communication network 134, and determines the working state of the insulation monitoring unit 1322 of the first intelligent terminal 13 of each rectification and dc output cabinet according to different working conditions, so as to avoid mutual conflict.
Further, the battery monitoring unit 1323 is an intelligent circuit unit, and has the specific functions of: the voltage, current, temperature and other information of a plurality of battery packs can be monitored online in real time. Meanwhile, the information is shared to the central monitoring unit 131 of the first intelligent terminal 13 of each rectification and dc output cabinet on the same second communication network 134 through the second communication network 134. The number of the battery monitoring units 1323 is at least one.
In some embodiments, the output information comprises voltage information and/or current information and/or power information. Specifically, the number of the power unit 133 is at least one, which is also an intelligent circuit unit. The rectification and the control of the output information of the dc output cabinet are realized by each power unit 133. The power unit 133 has the following specific functions: converting the alternating current into direct current; according to the load condition, the output voltage, current and power of the power unit 133 are controlled; the parallel current sharing control of a plurality of power units 133 is realized; the input and the output of the power unit 133 are protected by undervoltage, overcurrent, over-undertemperature, output short circuit and the like. Meanwhile, the information is shared to the central monitoring unit 131 of the first intelligent terminal 13 of each rectification and dc output cabinet on the same second communication network 134 through the second communication network 134.
Further, in each rectification and dc output cabinet, the number of the central monitoring units 131 is one, and the central monitoring units are a control center of the rectification and dc output cabinet, and are used for regulating and controlling various parameters of the rectification and dc output cabinet, and monitoring and managing other rectification and dc output cabinets on the same second communication network 134. The specific functions are as follows: monitoring the voltage, current, power, temperature, etc. of the rectification and dc output cabinets on the same second communication network 134; the battery pack is subjected to charge and discharge management according to signals such as voltage, current, temperature and the like collected by the input and output power distribution monitoring unit 1321 in each rectification and direct current output cabinet; obtaining and calculating information such as voltage, current, temperature and the like in each rectification and direct current output cabinet; controlling the operation of the plurality of power units 133 and the output voltage, current and power thereof to operate at the optimal efficiency point as much as possible; alarm protection such as undervoltage, overcurrent, over-undertemperature, output short circuit and the like is carried out on the input and the output of the whole power supply monitoring system 1; early warning processing before failure is carried out on each unit in the power supply monitoring system 1; and performing redundancy control and other functions on a plurality of key components in the power supply monitoring system 1.
The central monitoring units 131 in any at least two rectification and dc output cabinets connected to the same second communication have a redundancy function (1 + N, N is greater than or equal to 1), that is, any one central monitoring unit 131 fails, and the rest central monitoring units 131 can quickly know and replace the operation thereof. Meanwhile, the central monitoring unit 131 of the first intelligent terminal 13 of all the rectification and dc output cabinets connected to the same first communication network 14 can send the cabinet information and receive information from other cabinets, so as to summarize the information of the whole power monitoring system 1.
In some embodiments, the first communication network 14 is an ethernet or industrial ethernet or CAN bus or CAN-FD bus and the second communication network 134 is an ethernet or industrial ethernet or CAN bus or CAN-FD bus. It will be appreciated that the first communication network 14 may also be a variety of ethernet or CAN bus based communication networks and the second communication network 134 may also be a variety of ethernet or CAN bus based communication networks. The embodiment of the invention uses Ethernet or industrial Ethernet or CAN bus or CAN-FD bus as communication network, and provides hardware condition for the power supply monitoring system 1 to form a multi-master and multi-slave structure.
In some embodiments, referring to fig. 2-4, the first intelligent terminal 13 further includes a human-machine interaction unit 135, and the human-machine interaction unit 135 is communicatively connected to the central monitoring unit 131, and may be communicatively connected to the central monitoring unit 131 through the first communication network 14 (as shown in fig. 3), may be communicatively connected to the central monitoring unit 131 through the second communication network 134 (as shown in fig. 4), and may be directly communicatively connected to the central monitoring unit 131 through any communication bus (as shown in fig. 2). The HMI human-computer interaction units 135 in at least two optional rectification and direct-current output cabinets connected to the same second communication network 134 have (1 + N, N is more than or equal to 1) redundancy functions, namely, any HMI fails, and the rest HMI can replace the HMI to work at any time.
In some embodiments, with continuing reference to fig. 2, the first intelligent terminal 13 further includes a communication interface 136, and the communication interface 136 is communicatively connected to the central monitoring unit 131 for external communication. The communication interface 136 includes, but is not limited to, Ethernet, USB, Wi-Fi, RS485, RS422, RS232, Dry I/Os interfaces. As shown in fig. 2, the communication interface 136 may be referred to as communication interface 16.
In some embodiments, referring to fig. 1, the power monitoring system 1 further includes a second intelligent terminal 11 of the medium voltage inlet cabinet and a third intelligent terminal 12 of the transformer ac power distribution cabinet, wherein the second intelligent terminal and the third intelligent terminal are respectively connected to the central monitoring unit 131 of the first intelligent terminal 13 through the first communication network 14.
Further, the second intelligent terminal 11 of the medium voltage incoming line cabinet is an intelligent circuit unit, and its specific functions are: monitoring electrical parameters such as voltage, current, power and electric energy of the medium-voltage alternating current input; the information is shared to the central monitoring unit 131 of the first intelligent terminal 13 of each rectification and dc output cabinet through the first communication network 14.
Further, the third intelligent terminal 12 of the transformer ac power distribution cabinet is also an intelligent circuit unit, and the specific functions are: monitoring a plurality of temperature points in the transformer cabinet; intelligently regulating the speed of a plurality of fans in the cabinet according to the temperature; monitoring the actual rotating speed and the service life of the fan; information is shared via the first communication network 14 to the central monitoring unit 131 of the intelligent terminal of each of the rectification and dc output cabinets connected to the same first communication network 14.
In some embodiments, please refer to fig. 5, fig. 5 is a schematic structural diagram of a power monitoring system according to an embodiment of the present invention, as shown in fig. 5, the second intelligent terminal 11 of the medium voltage incoming line cabinet and the third intelligent terminal 12 of the transformer ac power distribution cabinet are respectively in communication connection with the central monitoring unit 131 of the first intelligent terminal 13 through the second communication network 134, that is, the second intelligent terminal and the third intelligent terminal may be located in the second communication network 134 of any one of the rectification and dc output cabinets, and are in communication connection with the corresponding central monitoring unit 131 through the second communication network 134, transmit data, and communicate with the central monitoring units 131 of other rectification and dc output cabinets not located in the same second communication network 134 through the corresponding central monitoring unit 131 through the first communication network 14.
In summary, in the power monitoring system, at least two second communication networks are interconnected through communication, so that the rectification and dc output cabinets in the same second communication network share first parameter information, and each central monitoring unit is interconnected through the first communication network, so that the rectification and dc output cabinets in different second communication networks share the first parameter information, and further, the system forms a multi-master and multi-slave structure, thereby realizing multi-master communication interconnection between cabinets, avoiding the influence on the whole system caused by the failure of a single component or a single host, realizing redundancy control, and further improving the reliability of the system.
In the various embodiments described above, the central monitoring unit 131 may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), a single chip, an arm (acorn RISC machine) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination of these components. Also, the central monitoring unit 131 can be any conventional processor, controller, microcontroller, or state machine. The central monitoring unit 131 may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
As shown in fig. 6, the central monitoring unit 131 includes at least one processor 1311 (one processor is illustrated in fig. 6) and a memory 1312 communicatively coupled via a system bus or otherwise. The central monitoring unit 131 may be in the form of a chip.
The memory 1312 stores instructions executable by the at least one processor 1311, and the instructions are executed by the at least one processor 1311, and the processor 1311 is configured to provide computing and control capabilities to control the power monitoring system 1 to execute relevant commands, for example, to control the power monitoring system 1 to execute any one of the control methods provided by the following embodiments of the present invention.
The memory 1312, as a non-transitory computer readable storage medium, may be used for storing non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the control methods provided by the following embodiments of the present invention. The processor 1311 may implement the control method in any of the method embodiments described below by running non-transitory software programs, instructions, and modules stored in the memory 1312. In particular, the memory 1312 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. In some embodiments, the memory 1312 may also include memory located remotely from the processor 1311, and these remote memories may be connected to the processor 1311 through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
As another aspect of the embodiments of the present invention, the embodiments of the present invention provide a control method. The functions of the control method according to the embodiments of the present invention can be implemented by a hardware platform, in addition to the software system. For example: the control method may be implemented in an electronic device having a processor with arithmetic capabilities of a suitable type, for example: a single chip, a Digital Signal Processing (DSP), a Programmable Logic Controller (PLC), and so on.
Functions corresponding to the control methods of the various embodiments described below are stored in the form of instructions in a memory of the electronic device, and when the functions corresponding to the control methods of the various embodiments described below are to be executed, a processor of the electronic device accesses the memory, and calls and executes the corresponding instructions to implement the functions corresponding to the control methods of the various embodiments described below.
The memory, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, or steps corresponding to the control methods of the embodiments described below. The processor executes various functional applications and data processing of the central monitoring unit, or functions of the steps corresponding to the embodiment control method described below, by running nonvolatile software programs, instructions, and modules stored in the memory.
The memory may include high speed random access memory and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The program instructions/modules are stored in the memory and, when executed by the one or more processors, perform the control method in any of the method embodiments described below, e.g., performing the steps shown in fig. 7 described in the embodiments below.
As shown in fig. 7, the control method S100 includes, but is not limited to, the following steps:
s10: summarizing the first parameter information of the rectification and direct current output cabinets in the same second communication network;
s20: sharing the first parameter information with the central monitoring unit of the rectification and dc output cabinet in a different second communication network through the first communication network to obtain shared information, where the shared information is the first parameter information of the rectification and dc output cabinet in a different second communication network;
s30: and summarizing second parameter information of the power supply monitoring system according to the first parameter information and the shared information.
In some embodiments, after said aggregating said first parameter information of said rectification and dc output cabinets within the same said second communication network, the method further comprises: and when the central monitoring unit is a host of the rectification and direct-current output cabinet in the same second communication network, regulating and controlling the rectification and direct-current output cabinet according to the first parameter information.
It should be noted that, in the foregoing embodiments, a certain order does not necessarily exist between the foregoing steps, and it can be understood by those skilled in the art from the description of the embodiments of the present invention that, in different embodiments, the foregoing steps may have different execution orders, that is, may be executed in parallel, may also be executed in an exchange manner, and the like.
Since the system embodiment and the method embodiment are based on the same concept, the contents of the method embodiment may refer to the system embodiment on the premise that the contents do not conflict with each other, and are not described herein again.
In summary, the method can collect the second parameter information of the power supply monitoring system through the second communication network and the first communication network, thereby realizing the redundancy function, avoiding the influence on the system caused by the out-of-control of any central monitoring unit or other devices, and improving the reliability of the power supply system.
Embodiments of the present invention also provide a non-transitory computer-readable storage medium storing computer-executable instructions, which are executed by one or more processors, such as the processor 1311 in fig. 6, to enable the one or more processors to perform the control method in any of the above method embodiments.
The above-described embodiments of the apparatus or device are merely illustrative, wherein the unit modules described as separate parts may or may not be physically separate, and the parts displayed as module units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network module units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a general hardware platform, and certainly can also be implemented by hardware. Based on such understanding, the technical solutions mentioned above may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the control method described in each embodiment or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.
Claims (11)
1. A power supply monitoring system is characterized by comprising at least two first intelligent terminals, wherein the first intelligent terminals are intelligent terminals of a rectification and direct-current output cabinet and comprise a central monitoring unit, a monitoring unit and a power unit;
the monitoring unit is used for monitoring the monitoring information of the rectification and direct current output cabinet;
the power unit is used for regulating and controlling output information of the rectification and direct current output cabinet;
the central monitoring units of the first intelligent terminal are in communication connection through a first communication network, the central monitoring units, the monitoring units and the power unit are in communication connection through a second communication network, at least two second communication networks are in communication interconnection, and if the two second communication networks are in communication interconnection, the two rectifying and direct current output cabinets belonging to the second communication networks are the same; if the two second communication networks are not in communication interconnection, the two rectifier and direct current output cabinets belonging to the second communication networks are in different second communication networks;
the central monitoring unit is configured to collect first parameter information of the rectification and dc output cabinets in the same second communication network, and share the collected first parameter information to the central monitoring unit of the rectification and dc output cabinets in different second communication networks through the first communication network, where the first parameter information includes the monitoring information and the output information.
2. The power monitoring system of claim 1, wherein the monitoring unit comprises an input-output power distribution monitoring unit, an insulation monitoring unit, and a battery monitoring unit;
the input-output power distribution monitoring unit, the insulation monitoring unit and the battery monitoring unit are respectively in communication connection with the power unit and the central monitoring unit through the second communication network.
3. The power monitoring system of claim 1, wherein the first intelligent terminal further comprises a human-computer interaction unit, and the human-computer interaction unit is in communication connection with the central monitoring unit.
4. The power monitoring system of claim 1, wherein the first intelligent terminal further comprises a communication interface, and the communication interface is in communication connection with the central monitoring unit and is used for external communication.
5. The power monitoring system according to claim 1, further comprising a second intelligent terminal of a medium voltage inlet cabinet and a third intelligent terminal of a transformer ac distribution cabinet;
and the second intelligent terminal and the third intelligent terminal are respectively in communication connection with the central monitoring unit through the first communication network or the second communication network.
6. The power monitoring system according to any one of claims 1-5, wherein the first communication network is an Ethernet or CAN bus or CAN-FD bus and the second communication network is an Ethernet or CAN bus or CAN-FD bus.
7. A power supply monitoring system according to any of claims 1-5, characterized in that the monitoring information comprises voltage information and/or current information and/or power information and/or impedance information and/or temperature information and/or input output switch quantity status information.
8. A power supply monitoring system according to any of claims 1-5, characterized in that the output information comprises voltage information and/or current information and/or power information.
9. A control method applied to the power supply monitoring system according to any one of claims 1 to 8, wherein the method comprises:
summarizing the first parameter information of the rectification and direct current output cabinets in the same second communication network;
sharing the first parameter information with the central monitoring unit of the rectification and dc output cabinet in a different second communication network through the first communication network to obtain shared information, where the shared information is the first parameter information of the rectification and dc output cabinet in a different second communication network;
and summarizing second parameter information of the power supply monitoring system according to the first parameter information and the shared information.
10. The method of claim 9, wherein after said aggregating the first parameter information for the rectification and dc output cabinets that are within the same second communication network, the method further comprises:
and when the central monitoring unit is a host of the rectification and direct-current output cabinet in the same second communication network, regulating and controlling the rectification and direct-current output cabinet according to the first parameter information.
11. A central monitoring unit, characterized in that the central monitoring unit comprises at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the control method of claim 9 or 10.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629603U (en) * | 2010-03-05 | 2010-11-10 | 陆乐 | Battery monitoring management system based on uninterruptible switch power source |
| CN110488146A (en) * | 2019-04-02 | 2019-11-22 | 许继电气股份有限公司 | A kind of DC distribution net type insulation monitoring system and D.C. isolation monitoring device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773300U (en) * | 2010-07-15 | 2011-03-23 | 哈尔滨九洲电气股份有限公司 | Centralized monitoring device in direct-current power system |
| CN102856971B (en) * | 2011-06-28 | 2016-02-10 | 中兴通讯股份有限公司 | A kind of DC power system and method realizing multimachine monitoring |
| US20150254198A1 (en) * | 2013-03-15 | 2015-09-10 | Google Inc. | Methods and apparatus related to bus arbitration within a multi-master system |
| CN104410154A (en) * | 2014-11-10 | 2015-03-11 | 航天科工深圳（集团）有限公司 | Communication system of power distribution terminals |
| CN104581087B (en) * | 2015-02-05 | 2018-06-19 | 成都君禾天成科技有限公司 | A kind of power transmission line intelligent remote monitoring system based on Internet of Things |
| CN211206662U (en) * | 2019-10-17 | 2020-08-07 | 铜陵华星天束科技有限公司 | Networked high-voltage high-power pulse capacitor system running state monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629603U (en) * | 2010-03-05 | 2010-11-10 | 陆乐 | Battery monitoring management system based on uninterruptible switch power source |
| CN110488146A (en) * | 2019-04-02 | 2019-11-22 | 许继电气股份有限公司 | A kind of DC distribution net type insulation monitoring system and D.C. isolation monitoring device |
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